247079294

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:1005

約数の個数: 64

約数和(自身を含む): 488816640

約数和(自身を除く): 241737346

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 79, 154, 158, 161, 253, 322, 506, 553, 869, 883, 1106, 1738, 1766, 1771, 1817, 3542, 3634, 6083, 6181, 9713, 12166, 12362, 12719, 19426, 19987, 20309, 25438, 39974, 40618, 67991, 69757, 135982, 139514, 139909, 142163, 223399, 279818, 284326, 446798, 488299, 767327, 976598, 1534654, 1563793, 1604411, 3127586, 3208822, 5371289, 10742578, 11230877, 17648521, 22461754, 35297042, 123539647, 247079294]

約数ペア:

[(1, 247079294), (2, 123539647), (7, 35297042), (11, 22461754), (14, 17648521), (22, 11230877), (23, 10742578), (46, 5371289), (77, 3208822), (79, 3127586), (154, 1604411), (158, 1563793), (161, 1534654), (253, 976598), (322, 767327), (506, 488299), (553, 446798), (869, 284326), (883, 279818), (1106, 223399), (1738, 142163), (1766, 139909), (1771, 139514), (1817, 135982), (3542, 69757), (3634, 67991), (6083, 40618), (6181, 39974), (9713, 25438), (12166, 20309), (12362, 19987), (12719, 19426)]